A fall of roof occured int he intersection of #27 crosscut, #1 entry of the west mains section. Fall was 6 ft high, 12 ft long x 14 ft wide. Roof rock was laminated with clay and mud seams with water present. Roof had been bolted to plan using 6 ft tension/rebar fully grouted oblts. Screen installed and ribs bolted. No injuries or equipment involved. Fall area was rebolted.